Tra từ pedal - Từ điển Oxford Advanced Learner 8th

pedal [pedal pedals pedalled pedaled pedalling pedaling] noun, verb BrE [ˈpedl] NAmE [ˈpedl]
noun
1. a flat bar on a machine such as a bicycle, car, etc. that you push down with your foot in order to make parts of the machine move or work
•I couldn't reach the pedals on her bike.
•She pressed her foot down sharply on the brake pedal.
•a pedal boat (= one driven by ↑pedals )
2. a bar on a musical instrument such as a piano or an organ that you push with your foot in order to control the sound

Word Origin:
early 17th cent. (denoting a foot-operated lever of an organ): from French pédale, from Italian pedale, from Latin pedalis ‘a foot in length’, from pes, ped- ‘foot’.

Example Bank:
•Her foot was working the pedal of the sewing machine.
•Some guitar players tend to overuse the wah-wah pedal.
•To stop the machine push the foot pedal.
•with one foot on the pedal

verb (-ll-, US also -l-)
1. intransitive, transitive to ride a bicycle somewhere
•+ adv./prep. I saw her pedalling along the towpath.
•He jumped on his bike and pedalled off.
•She pedalled away down the hill.
•~ sth + adv./prep. She pedalled her bicycle up the track.
2. intransitive, transitive to turn or press the ↑pedals on a bicycle or other machine
•(+ adv./prep.) You'll have to pedal hard up this hill.
•You can stop pedalling and freewheel for a while.
•~ sth She had been pedalling her exercise bike all morning.
see also ↑back-pedal, ↑soft-pedal
Verb forms:

Word Origin:
early 17th cent. (denoting a foot-operated lever of an organ): from French pédale, from Italian pedale, from Latin pedalis ‘a foot in length’, from pes, ped- ‘foot’.

Example Bank:
•He pedalled along the lane and up the hill.
•He pedalled furiously up the hill.
•He refused to pedal up the hill.
•She pedalled away as fast as she could.
•You have to pedal hard to get anywhere.